Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
Used the hacksaw method on mine, two cuts. There is advice on here but I can't remember who posted it. With two close cuts removing a thin strip the rest came out easy.
If your powder over chrome, the paint will peel off in time. They need to be de chromed first.
That is one bad tank, you will have to used Electrolysis to get that anywhere near clean. Or take it to a pro chemical strippers.